Red Bull in "serious trouble" after RB10 overheats again; All of the Mercedes runners enjoy a productive day; Renault teams only manage combined total of 145 laps; Ferrari trial new nose designs
Friday 28 February 2014 08:58, UK
Force India were the unexpected pacesetters on the opening day of the second Bahrain test as the force stayed with the Mercedes runners over their struggling Renault and Ferrari rivals.
